APG stocks the N70218, an AS568-218 black Neoprene (Chloroprene) 70 Shore A O-Ring built to an inside diameter of 1.234 in (31.34 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.512 in (38.4 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
Neoprene (Chloroprene) is known for strong performance in refrigeration circuits and inherent flame-retarding characteristics. This material stands up to sunlight and salt spray, refrigerants and ammonia, and ozone and weathering. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in chlorinated solvents or ketones.
Maintenance and OEM teams specify it across transit and rail, weather sealing and enclosures, and general industrial.
This item is sold individually under part number N70218. Unit weight is approximately 1.4991 g and nominal inside diameter is listed as 1 1/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Description -218 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 1.234 inch (31.34 mm)
Actual Outside Diameter 1.512 inch (38.4 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity